mirror of
https://github.com/Polymer/polymer.git
synced 2026-08-19 01:14:44 -05:00
36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
/**
|
|
@license
|
|
Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
|
|
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
|
|
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
|
|
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
|
|
Code distributed by Google as part of the polymer project is also
|
|
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
|
|
*/
|
|
|
|
/**
|
|
* @fileoverview
|
|
*
|
|
* Module to hide `<dom-bind>`, `<dom-if>`, and `<dom-repeat>` elements
|
|
* optimally in ShadyDOM
|
|
*/
|
|
|
|
import {legacyOptimizations, useShadow} from './settings.js';
|
|
|
|
let elementsHidden = false;
|
|
|
|
/**
|
|
* @return {boolean} True if elements will be hidden globally
|
|
*/
|
|
export function hideElementsGlobally() {
|
|
if (legacyOptimizations && !useShadow) {
|
|
if (!elementsHidden) {
|
|
elementsHidden = true;
|
|
const style = document.createElement('style');
|
|
style.textContent = 'dom-bind,dom-if,dom-repeat{display:none;}';
|
|
document.head.appendChild(style);
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
} |